研究生: |
賴津寅 Lai, Chin-Yin |
---|---|
論文名稱: |
應用於有線通訊13.6Gb/s全速率全數位式時脈與資料回復電路 A 13.6Gb/s Full rate All Digital Clock and Data Recovery for Serial Link |
指導教授: |
朱大舜
Chu, Ta-Shun 彭朋瑞 Peng, Pen-Jui |
口試委員: |
王毓駒
Wang, Yu-Jiu 吳仁銘 Wu, Jen-Ming |
學位類別: |
碩士 Master |
系所名稱: |
電機資訊學院 - 電機工程學系 Department of Electrical Engineering |
論文出版年: | 2023 |
畢業學年度: | 111 |
語文別: | 中文 |
論文頁數: | 83 |
中文關鍵詞: | 時脈與資料回復電路 、全數位式時脈與資料回復電路 |
外文關鍵詞: | CDR, All Digital CDR |
相關次數: | 點閱:33 下載:0 |
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本論文實現應用於13.6Gb/s全速率全數位式時脈與資料回復電路。全數位式時脈與資料回復電路相較於傳統類比式時脈與資料回復電路透過減少類比電路的使用有著較好的抗雜訊能力及抗製程變異能力且容易隨著製程演進而設計。
本論文利用電流邏輯完成高速二位元相位偵測器,而積分路徑則是使用一對十六解多工器與多數決電路並送入累加器去完成頻率累積動作,並利用掃描鍊去達到輔助鎖定之功能。而為了有夠大的調整範圍數位控制振盪器則是採用環型振盪器。
論文首先介紹高速串列訊號傳輸的概念,並接著介紹時脈上會應用的概念以及時脈與資料回復電路的架構,再利用數學分析時脈與資料回復電路的指標,並透過大量模擬去對各項指標進行探討,接著則是詳細的去比較所使用的每個子電路特性與操作,最後附上電路的結果與佈局,本論文使用TSMC 65nm CMOS製程。整體系統功耗為43.62mW。
This paper mainly implements the all-digital clock and data recovery circuit applied to the full rate of 13.6GHz. Compared with the traditional analog clock and data recovery circuit, the all-digital clock and data recovery circuit has better immunity to noise and better adaption to process variation by reducing the use of analog circuits. Furthermore, all-digital clock and data recovery is easier to design as the process evolution.
In this thesis, a high-speed Bang-Bang phase detector is implemented by using current mode logic. The integral path is completed by using a one to sixteen demultiplexers and a majority vote circuit and sending them to the accumulator to complete the frequency accumulation, and uses the scan chain to achieve the auxiliary locking function. In order to have a large enough tuning range, the digital control oscillator use ring oscillator.
The paper first introduces the concept of high-speed serial signal transmission, and then introduces the concepts that will be applied to the clock and the structure of the clock and data recovery circuit, and then uses mathematics method to analyze the clock and data recovery circuit in this thesis, and through a large number of simulations to find the trend of each index is carried out, followed by a detailed comparison of the characteristics and operation of each sub-circuit used, and the results and layout of the circuit are attached in the last. This paper uses TSMC 65nm CMOS process. The overall system power consumption is 43.62mW。
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